Granted Patent
Utility
US 4,607,783 · App. 06/550,139
Stiffened panel with apertures
Inventors:
Martin H. Mansbridge, John K. Norton
Patented Case
View Patent ↗
Granted: Aug 26, 1986
Filed: Nov 9, 1983
Inventors
Martin H. Mansbridge
John K. Norton
Assignee (at issue)
British Aerospace Plc
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.